Stimulator



FIG. 1 is a top perspective view of a stimulator according to my newdesign;

FIG. 2 is a top view thereof;

FIG. 3 is right side view thereof, it being understood that the leftside view is a mirror image thereof;

FIG. 4 is a bottom perspective view thereof; and,

FIG. 5 is a bottom view thereof.

CLAIM The ornamental design for a stimulator, as shown.